JL
John L Lamattina
Director

John L Lamattina insider trades: Ligand Pharmaceuticals (LGND) stock buys and sales

Director, Ligand Pharmaceuticals Last trade Jun 10, 2026 129 Form 4 filings
$2.4M
Sold, last 12 months
3 sales
$0
Bought, last 12 months
0 buys
17
Open-market trades
since 2005
7
Companies
last trade 2026

Trades on the price chart

Daily close, with an arrow on each day they bought or sold

Companies

Where John reports to the SEC

and 1 more company

Open-market buys and sales

17 trades reported on SEC Form 4, newest first

DateStockTypeValue
Jun 10, 2026LGND↓ Sell$1.2M
Mar 6, 2026LGND↓ Sell$434K
Nov 7, 2025LGND↓ Sell$859K
Nov 27, 2024LGND↓ Sell$298K
Nov 16, 2021LGND↓ Sell$783K
May 24, 2021IMNM↑ Buy$101K
Sep 4, 2018LGND↓ Sell10b5-1$850K
Jun 4, 2018LGND↓ Sell10b5-1$778K
Mar 5, 2018LGND↓ Sell10b5-1$537K
Nov 17, 2017LGND↓ Sell$559K
Mar 18, 2014LGND↓ Sell$394K
Mar 11, 2011LGND↑ Buy$98K
Mar 13, 2009HGSI↑ Buy$7K
Nov 12, 2008HGSI↑ Buy$44K
Jun 15, 2007PFE↓ Sell$955K
Feb 7, 2007PFE↓ Sell$366K
May 6, 2005PFE↓ Sell$1.1M

Each row is one filing's trades in one stock, summed. Shares and prices are as filed, before any later stock split.

Other LGND insiders

Open-market trades in the last 12 months

About John L Lamattina's insider trades

John L Lamattina is a director at Ligand Pharmaceuticals (LGND). Since May 6, 2005, John has reported 4 open-market purchases worth $250K and 13 sales worth $9.1M on SEC Form 4. In the last 12 months: 3 sales ($2.4M).

3 sales (24% of the value sold) were made under a Rule 10b5-1 trading plan, which is set up months in advance and runs on a schedule, so they say little about how the insider sees the stock today.

Their filings also include grants and awards (102 filings), option exercises (12 filings), shares withheld for taxes (6 filings), gifts (6 filings). These aren't open-market trades and aren't counted above.

How to read insider trades

Officers, directors and owners of more than 10% of a company must report trades in its stock on SEC Form 4, usually within two business days. Purchases with their own money are the stronger signal: insiders sell for many reasons (taxes, diversification, a house), but buy for one. See every LGND insider trade, the latest insider trades across the market, or cluster buys, when several insiders buy the same stock within days.